FR2269154B1 - - Google Patents
Info
- Publication number
- FR2269154B1 FR2269154B1 FR7414374A FR7414374A FR2269154B1 FR 2269154 B1 FR2269154 B1 FR 2269154B1 FR 7414374 A FR7414374 A FR 7414374A FR 7414374 A FR7414374 A FR 7414374A FR 2269154 B1 FR2269154 B1 FR 2269154B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
- H04B5/266—One coil at each side, e.g. with primary and secondary coils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/04—Indicating or recording train identities
- B61L25/043—Indicating or recording train identities using inductive tags
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7414374A FR2269154B1 (da) | 1974-04-25 | 1974-04-25 | |
GB17042/75A GB1511311A (en) | 1974-04-25 | 1975-04-24 | Device for the recognition of objects of animals |
DE19752518255 DE2518255A1 (de) | 1974-04-25 | 1975-04-24 | Anordnung zum automatischen erkennen von gegenstaenden oder tieren |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7414374A FR2269154B1 (da) | 1974-04-25 | 1974-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2269154A1 FR2269154A1 (da) | 1975-11-21 |
FR2269154B1 true FR2269154B1 (da) | 1978-08-18 |
Family
ID=9138103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7414374A Expired FR2269154B1 (da) | 1974-04-25 | 1974-04-25 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2518255A1 (da) |
FR (1) | FR2269154B1 (da) |
GB (1) | GB1511311A (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577920A (en) * | 1976-11-01 | 1980-10-29 | Nedap Nv | Detection plate for identification systems |
DE2850438A1 (de) * | 1978-11-21 | 1980-05-29 | James A Rodrian | Tier-identifizierungssystem |
GB2246492B (en) * | 1990-07-26 | 1994-10-12 | Chikara Shimamura | Automatic identification system for articles |
-
1974
- 1974-04-25 FR FR7414374A patent/FR2269154B1/fr not_active Expired
-
1975
- 1975-04-24 GB GB17042/75A patent/GB1511311A/en not_active Expired
- 1975-04-24 DE DE19752518255 patent/DE2518255A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
FR2269154A1 (da) | 1975-11-21 |
DE2518255A1 (de) | 1975-11-06 |
GB1511311A (en) | 1978-05-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property | ||
ST | Notification of lapse |